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Finding the Fourth Proportional to 235,952.73, 353,981.70 and 86,192.82

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Solution

The fourth proportional to 235,952.73, 353,981.70 and 86,192.82 is: 129,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,952.73 : 353,981.70 = 86,192.82 : x
  2. Step 2: Convert to fraction form
    235,952.73/353,981.70 = 86,192.82/x
  3. Step 3: Cross multiply
    235,952.73x = 353,981.70 × 86,192.82
  4. Step 4: Simplify right side
    235,952.73x = 30,510,680,951.39
  5. Step 5: Solve for x
    x = 30,510,680,951.39/235,952.73
  6. Step 6: Final answer
    x = 129,308.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.